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Electrochemical parameters of different catalysts calculated from cyclic voltammetry curve
| Catalyst | Pt/C | Pt-only | PtNi (1:1) | PtNi (1:3.5) |
|---|---|---|---|---|
| ECSA [m2 (gPt)−1] | 18.71 | 15.57 | 36.65 | 28.98 |
| Onset potential [V] | 0.40 | 0.38 | 0.32 | 0.29 |
| I f [mA (mgPt)−1] | 198 | 80 | 390 | 274 |
| I b [mA (mgPt)−1] | 277 | 15 | 273 | 122 |
| I f/I b | 0.7 | 5.3 | 1.4 | 2.2 |
